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Finding the Fourth Proportional to 252,024.64, 347,794.86 and 138,847.12

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Solution

The fourth proportional to 252,024.64, 347,794.86 and 138,847.12 is: 191,609.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,024.64 : 347,794.86 = 138,847.12 : x
  2. Step 2: Convert to fraction form
    252,024.64/347,794.86 = 138,847.12/x
  3. Step 3: Cross multiply
    252,024.64x = 347,794.86 × 138,847.12
  4. Step 4: Simplify right side
    252,024.64x = 48,290,314,661.80
  5. Step 5: Solve for x
    x = 48,290,314,661.80/252,024.64
  6. Step 6: Final answer
    x = 191,609.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.